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National Stock Number:
3120-00-435-5234
Federal Supply Class:
3120
National Item Identification Number:
004355234
Description:
BEARING,WASHER,THRUST
Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.
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Manufacturer Information:
| 1907270-1 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS | | 1907270-1 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND W/TWO FLATS | | CENTER HOLE WIDTH ACROSS FLATS | 0.1850 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.4110 INCHES NOMINAL | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE FOURTH INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE THIRD INSIDE CORNER | | COUNTERBORE DEPTH | 0.0050 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | COUNTERBORED | | DIAMETER | 0.2000 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C NOMINAL OVERALL | | OVERALL THICKNESS | 0.0610 INCHES NOMINAL | | MATERIAL | STEEL COMP 416 OVERALL | | OUTSIDE DIAMETER | 0.4480 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND |
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